Objects in the image:
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: tennis racket
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are they playing tennis?
a: No
q: are they in the crowd on the other side of the court?
a: Yes
q: Are the on the right side of the photo?
a: No
q: Are they left of the net?
a: No
q: Are they in the front row?
a: No
q: Are they just above the players head?
a: No
q: is it one person?
a: Yes
q: are they in green?
a: No
q: are they in black?
a: No
q: Are they in blue?
a: No
q: are they in red?
a: No
q: are they in yellow?
a: Yes
q: is it a man?
a: Yes